DARLING‘S HEMLOCK INHALER. Printed on the packaging: „Place the small end of the Inhaler in the Nostril and take deep inhalations; then exhale slowly through the mouth. Occasionally reverse the inhaler, drawing through the mouth and exhale through the nose. Repeat this as often as you wish as no harm will result even if used daily.”
In the package insert is written among others:
„DARLING‘S HEMLOCK INHALER: A necessary ally with darling oil for the successful treatment of catarrh of the head, throat and bron....“
